97538402 has 8 divisors (see below), whose sum is σ = 157562076. Its totient is φ = 45017712.

The previous prime is 97538359. The next prime is 97538407. The reversal of 97538402 is 20483579.

It can be written as a sum of positive squares in 2 ways, for example, as 97436641 + 101761 = 9871^2 + 319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (97538407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875713 + ... + 1875764.

Almost surely, 2^97538402 is an apocalyptic number.

97538402 is a deficient number, since it is larger than the sum of its proper divisors (60023674).

97538402 is a wasteful number, since it uses less digits than its factorization.

97538402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751492.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 97538402 is about 9876.1531984878. The cubic root of 97538402 is about 460.3186229824.

The spelling of 97538402 in words is "ninety-seven million, five hundred thirty-eight thousand, four hundred two".